Remove index.php from site_url function in codeigniter

write in your .htaccess file

RewriteEngine onRewriteCond %{REQUEST_FILENAME} !-fRewriteCond %{REQUEST_FILENAME} !-dRewriteRule .* index.php/$0 [PT,L]

And set index_page config in config.php

$config['index_page'] = '';

php codeigniter url uri

You can use base_url() function:

echo base_url(); // http://example.com/websiteecho site_url(); // http://example.com/website/index.php

CodeHunter